CVE-2023-2873 Twister Antivirus IoControlCode filppd.sys 0x80800043 memory corruption

Medium 5.3 Published 24 May 2023 Updated 2 Aug 2024

A local attacker can exploit memory corruption in Twister Antivirus to execute arbitrary code or escalate privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-2873?

CVE-2023-2873 is a medium-severity memory corruption vulnerability in Twister Antivirus, published on 24 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability classified as critical was found in Twister Antivirus 8. This vulnerability affects the function 0x804f2143/0x804f217f/0x804f214b/0x80800043 in the library filppd.sys of the component IoControlCode Handler. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-229852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-787, CWE-119

Which versions are affected by CVE-2023-2873?

It affects 1 product.

Products include Filseclab Twister Antivirus.

How do I fix CVE-2023-2873?

No fix has been published for CVE-2023-2873 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-2873 being exploited?

There is no known exploitation of CVE-2023-2873 in the wild and no public exploit code.

Sources

Also known as GHSA-9fjp-qc23-9p54.